Trane Furnace Control Board Fuse

I pulled the green and red wires from the thermostat to the control board.

Trane furnace control board fuse. While testing a limit switch my jumper cable shorted and sparked. Regarding a 1994 trane tuc080c942a0 natural gas furnace. Its just being used for cooling right now. I have a trane gas furnace that keeps blowing the 5amp fuse on the control board.

Main fuse box is not tripping but replaced circuit breaker and 30 amp cartridge fuses in outside fuse box. Oem upgraded replacement for trane furnace control circuit board cnt02184. I attempted to look at the main board but it appears to be sealed. Replaced the 5 amp fuse closed the panel and the blower started.

Do you suspect that your furnace ac control board is bad. The guy has a new condensing unit installed last year. Cnt07721 oem upgraded replacement for trane 2 stage furnace control circuit board. I have a trane xc80 xl19i system with a w r 50v61 507 control board on the furnace.

Any experiences with where the fuse is located on these units. When i hook up the green wire the fuse is ok but when i reattach the red wire it blows right away. Opened inside unit up trane xe80 and pulled the 5 amp blade fuse on the control board and saw that it had blown. He just called and told me fuse is blown again.

Furnace or ac control board troubleshooting. I turned off the input power and attached terminal r 24 vac power to thermostat and the fuse blew. Is your air conditioner or furnace not turning on or p. To confirm access to the fuse requires the cover to be removed from the main board.

Can you guys point me in right direction to figure this one out. I can t figure out what my best plan of attack is. Diyers often try and handle things on their own. Initial sympton is a blown 5a low voltage lv fuse.

I removed all the wires going to my thermostat and it would not blow the fuse when powered on. If i remove the honeywell th8320v1008 thermostat from the wall. When i went to turn on the a c the 5 amp fuse blew again and again. I did a recent service call and the 5 amp fuse in the circuit board on the furnace was blown.

Electric furnace problems can be frustrating especially when they come at the worst time. If someone pokes around your furnace and isn t careful they may loosen wires from the furnace s wire frame causing them to short and blow a fuse on the control board. I can t locate the fuse in the unit. Combined with the nexia bridge the user can control the thermostat and up to 200 z wave compatible products from any tablet smartphone or computer with an internet connection.

More buying choices 197 99 2 new offers. 3 9 out of 5 stars 11. Should i check amp draw on compressor and both fan motors. For the ultimate in flexibility and control trane xl850 thermostats are designed to integrate with comfortlink enabled variable speed systems.